Hydrocarbons - Result Question 43

####45. When hydrochloric acid gas is treated with propene in presence of benzoyl peroxide, it gives

[1993]

(a) 2-Chloropropane

(b) Allyl chloride

(c) No reaction

(d) n-Propyl chloride.

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Solution:

  1. (a) Addition of HCl to propene even in the presence of benzoyl peroxide occurs according to Markovnikov’s rule :

CH3CH=CH2(C6H5CO)2O2HCl

CH3CHClCH3

Peroxide effect is observed only in case of HBr.



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